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One of the most distinctive features of the EVB3 is the Leslie Rotor Cabinet emulation. So the classic Leslie speaker design features two drivers: there's a treble driver with horns and then a bass driver. So the treble drivers rotates, and then the bass driver is stationary, but it has a rotating sound baffle that moves around it. So the result of these rotating speakers is a very distinctive modulation often associated with organ sounds, and so this is all emulated in the EVB 3. So first what I will do is is set up our drawbar registration.
So I am going to hit this key right here, so now we have sound. And notice that we now have the basic features for our rotor cabinet right here, so I can turn it on. But let's open up the hood, so we can see all of the parameters. So here we have the advanced features of our rotor cabinet. So I am going to go ahead and just turn this on and if we take a look, we have three different modes here: we have Chorale, Brake, and Tremolo. So essentially those are referring to the speed of the speaker rotations. So Chorale is a slow speed, and then Brake is stopped. and Tremolo is a fast speed.
So let's take a listen. So I will play a chord, so now it's in Chorale mode. So you can hear this is slow modulation. Let's switch this to Tremolo. You can hear it's faster modulation. And if I hit Brake, it stops the rotation, but if you notice, it slows down. It's not an instantaneous change. So the first thing we will want to take a look at is the type of cabinet for our rotor cabinet, so right now it's set to Wood, but we have a couple other options here, so we have this Proline one.
This is an open-back cabinet, so it's a little bit more airy, so let's just hear that. (music playing) So I will just switch it to Tremolo mode. And then we have a Single mode, so this actually only has one rotating speaker in it, so it's just slightly different. Next we have Split mode, so what Split mode does is it's going to move the bass speaker to the left and the treble speaker is going to be rotating on the right, so it's just going to be more of a stereo sound. (music playing) You can hear that the bass is over on the left now.
So beneath that what we have is a couple of high-quality models of both Wood, an open-back one, and split. So let's set it to the Wood and Horn impulse response. (music playing) So this is just a higher quality emulation of the wooden cabinet than the one that's up here, the Wood one. So let's take a look at some of the other features here. One thing that we are going to want to do is be able to use a MIDI controller to adjust the speed. So right now it's set to sustain pedal and if I look in the speed control menu here, I have got a couple of other options. So I am going to set this to ModWheel.
And so now when play a note and move my ModWheel, you can see I can switch between the three speeds, so Tremolo, Brake, and Chorale. So beneath that what we have is this ModWheel toggle. So what's that going to do is allow me to switch between two of the modes. I can either switch between Tremolo and Chorale or Tremolo and Brake. What I am going to do is I will play a note, and when I move my ModWheel, it switches to Chorale. And then when I move it up and down again, it switches it back to Tremolo.
Now if I wanted to switch between Brake and Tremolo, I am going to have to actually go ahead and just click on Brake. And so now it's going to transition between Brake and Tremolo. So I have my ModWheel down, so I'll move it up, and now I am on Tremolo, and so then I move it back down and do another up and down, and it's on Brake. The next mode we have here is this ModWhl Temp. So the difference with ModWhl Temp is that I can switch between the two settings with one ModWheel motion, whereas in Toggle mode, I'll have to do entire motions of the ModWheel.
So next, let's take a look at some of the advanced features of the rotor cabinet. So you can see up here we have this Rotor Fast Rate, so this has to do with the speed of the modulation when we are in Tremolo mode. So, if I play, I will put this in Tremolo mode. Let's adjust the speed. And beneath that we have the acceleration and deceleration scale. So what that has to do with is when we are switching speeds, how long it's going to take for it to transition.
So if it is at 0, it's going to be instantaneous. So here is Tremolo. It instantly switches to Brake which is stopped, and then you can switch it to Chorale. If I increase the Acc/Dec Scale, then it's going to take more time to transition. That's kind of a cool sound. So if I am in Chorale now, which is slow, if I switch to Tremolo, you can hear it slowly speeds up. (music playing) So that's kind of a distinctive effect. The next set of parameters we have here is the Mic Angle and Mic Distance. So this adjusts the listener's placement.
So if I move these, you can hear, it sounds like we are moving around our listening position. To the right of that what we have is the Horn deflector. This is for the rotating Treble horns, and so typically at the mouth of the horn it has a sound deflector, so we can either have this on or off. So right now I have the Sound Deflector off and I can click on it and that switches it on. I'll click on it again. It switches it off. So that's just a subtle change in the sound. If we take a look below that, we have the Motor Control parameters.
So right now it's set to Normal and so what that means is that both speakers will rotate about the same speed. If we take a look, there is a couple of other options here. There's Inverse, and what that's going to do is it means that the bass speaker is going to rotate fast when we are in Tremolo mode, but the treble speaker is going to rotate slow, and vise versa in Chorale mode. Beneath that we have 910 mode, and so this is also known as Memphis mode. So what happens here is that the bass speaker stops its rotations at slow speeds and the treble speaker continues to rotate.
So the reason why this is useful is that it allows for a more solid low end, so you don't have the modulation of the movement of the sound, so you can get a solid bass sound, but then your treble notes you're playing still have all the modulation. And the last setting we have here is Sync Mode, and so what that's going to do is it's going to try to synchronize the speeds between the treble and bass speakers when it's accelerating or decelerating. So there are few other hidden parameters for the rotor cabinet, and so I can access those with this disclosure triangle down at the bottom. So we have a couple of features that just relate to EVB 3 in general, but the ones that refer to the rotor cabinet are right here.
So we have Brake, Horn Brake Position, and Drum Brake Position. So this Brake allows us to choose how the Brake function is going to work. So typically it stops the rotor, but we can change that here to switch to the dry sound. So what would happen if we did that is that when we switch to break speed, it will be like as if we bypassed the entire cabinet. So this Horn Brake position has to do with when you brake the sound, so you are stopping the rotations, it's going to set the speaker position. Because what could happen when it's set to free is that when the speaker stops it might be facing the back of the speaker cabinet, and therefore be muffled.
So this allows you to specify a specific position that it is going to stop. Same is true for the bass speaker. That's what this Drum Brake position is. So as you can see, the rotor cabinet emulation can really add a lot of distinctive character to our organ sound. In the next video, let's explore the extended MIDI parameters and how it can set up the EVB3 to control the upper and lower manuals and pedals with one controller keyboard.
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